The Federal Aviation Administration ordered the unprecedented halt to avoid the risk of aircraft losing connectivity with ground sensors during the unexplained network failure. Investigators have tied the disruption to routers and networking gear involving Cisco and contractor L3Harris Technologies. In the wake of the system failure, Transportation Secretary Sean Duffy requested $50 billion from Congress to overhaul the national air travel system. Meanwhile, L3Harris confirmed it has already transitioned over 70% of airspace communications from legacy copper wiring to fiber-optic systems.
Key points
Federal officials have not yet established a definitive root cause for the widespread net…: Federal officials have not yet established a definitive root cause for the widespread networking equipment failure.
Transportation Secretary Sean Duffy requested $50 billion from Congress to support a comp…: Transportation Secretary Sean Duffy requested $50 billion from Congress to support a comprehensive overhaul of the air travel system.
Routine router replacements are standard operating procedures that remain separate from t…: Routine router replacements are standard operating procedures that remain separate from the agency's $12.5 billion modernization program.
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The root cause of the longest halt in flight departures to U.S. airports since 9/11 remains unclear after a Saturday press conference by U.S. transportation officials.
Routers and networking equipment appeared to be involved in the technological disruption that grounded flights across the country, but a definitive cause has not been established as of Saturday afternoon.
The inability to pinpoint the reason for the infrastructure malfunctions led the Federal Aviation Administration to take actions that resulted in the grounding order, Bryan Bedford, administrator of the Federal Aviation Administration, told reporters.
"Because of our lack of identifying the root cause, we were unwilling to take any risk that this propagation could actually result in a sensor losing connectivity with aircraft," he said.
"What we saw was instability. We couldn't explain the instability," Bedford added.
Officials reported issues with routers and networking equipment on Saturday, citing products and services from Cisco and L3Harris Technologies.
"Until I can build [the new architecture], I'm stuck with L3Harris, who owns this network," Transportation Secretary Sean Duffy said.
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